M-Pesa users will not be able to access M-Pesa services on Saturday September 9 and Sunday September 10.
In a statement released on Monday September 4, Safaricom announced that all M-Pesa services will be unavailable from Saturday 10 PM to Sunday 1PM following a system upgrade.
This is not the first time that M-PESA has disrupted operations as just last month they disrupted operations for similar reasons.
Safaricom had previously initiated a three-week system upgrade on June 30 which saw M-Pesa services disrupted ocassionally.
According to the telecommunication company, the upgrade is geared towards adding new features and automating some functions to reduce the need for customers to make a request at its call centres.
Mr Collymore had mentioned: "This upgrade paves the way for the next phase of M-Pesa and will enable the service delivers, even more, value for our customers and partners".